Water treatment system



FIG. 1 is an isometric view of the water treatment system;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7. is a bottom view thereof. 

The ornamental design for the water treatment system, as shown and described. 